Special Metals INCONEL® 718SPF™ Nickel Superalloy, Annealed

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Special Metals INCONEL® 718SPF™ Nickel Superalloy, Annealed
Categories:	Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes:	Typical annealing - continuous process anneal, 1700°F (927°C) at 15 ft (4.57 m) per minute. This produces ASTM No. 12 grain size. Heat capacity, melting range, moduli, and Poisson's ratio reported herein are typical of INCONEL® alloy 718SPF (not necessarily annealed samples). Data provided by the manufacturer, Special Metals.
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Physical Properties	Metric	English	Comments

Density	8.19 g/cc	0.296 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	24	24
Tensile Strength, Ultimate	1120 MPa	162000 psi
Tensile Strength, Yield	827 MPa @Strain 0.2 %	120000 psi @Strain 0.2 %
Elongation at Break	31 %	31 %
Modulus of Elasticity	205 GPa	29700 ksi	cold-rolled, heat treated sheet
Poissons Ratio	0.284	0.284	cold-rolled, heat treated sheet
Shear Modulus	80.0 GPa	11600 ksi	cold-rolled, heat treated sheet

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000125 ohm-cm	0.000125 ohm-cm
Magnetic Permeability	1.0013	1.0013	at 200 Oersted (15.9 kA/m); Annealed
Curie Temperature	<= -197 °C	<= -323 °F

Thermal Properties	Metric	English	Comments
CTE, linear	12.15 µm/m-°C @Temperature 21.0 - 93.0 °C	6.750 µin/in-°F @Temperature 69.8 - 199 °F	Mean; Annealed and Aged
	13.77 µm/m-°C @Temperature 21.0 - 316 °C	7.650 µin/in-°F @Temperature 69.8 - 601 °F	Mean; Annealed and Aged
	14.4 µm/m-°C @Temperature 21.0 - 538 °C	8.00 µin/in-°F @Temperature 69.8 - 1000 °F	Mean; Annealed and Aged
Specific Heat Capacity	0.435 J/g-°C	0.104 BTU/lb-°F
Thermal Conductivity	11.1 W/m-K	77.0 BTU-in/hr-ft²-°F	Annealed at 1800°F(982°C) for 1 h.
Melting Point	1260 - 1335 °C	2300 - 2435 °F
Solidus	1260 °C	2300 °F
Liquidus	1335 °C	2435 °F

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.20 - 0.80 %	0.20 - 0.80 %
Boron, B	<= 0.0060 %	<= 0.0060 %
Carbon, C	<= 0.050 %	<= 0.050 %
Chromium, Cr	17 - 21 %	17 - 21 %
Cobalt, Co	<= 1.0 %	<= 1.0 %
Copper, Cu	<= 0.30 %	<= 0.30 %
Iron, Fe	19 %	19 %	As remainder
Manganese, Mn	<= 0.35 %	<= 0.35 %
Molybdenum, Mo	2.8 - 3.3 %	2.8 - 3.3 %
Nickel, Ni	50 - 55 %	50 - 55 %	Including Cobalt
Niobium, Nb (Columbium, Cb)	4.75 - 5.25 %	4.75 - 5.25 %	Includes Ta
Nitrogen, N	<= 0.010 %	<= 0.010 %
Phosphorus, P	<= 0.015 %	<= 0.015 %
Silicon, Si	<= 0.35 %	<= 0.35 %
Sulfur, S	<= 0.0020 %	<= 0.0020 %
Titanium, Ti	0.65 - 1.15 %	0.65 - 1.15 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NINCO53 / 17486

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